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WLAN_CCMP(4)	      DragonFly Kernel Interfaces Manual	  WLAN_CCMP(4)


wlan_ccmp -- AES-CCMP crypto support for 802.11 devices


device wlan_ccmp


The wlan_ccmp module handles the AES-CCMP cryptographic requirements of the WPA and 802.11i protocols. It does encapsulation and decapsulation of CCMP-encoded 802.11 frames and optionally calculates the AES-CCMP cipher. The wlan_ccmp module is an 802.11 cryptographic plugin module for use by the wlan(4) module. This module is automatically loaded if an AES-CCMP key is configured; typically by a WPA supplicant program such as wpa_supplicant, or a WPA authenticator program such as hostapd. Should the underlying network device not be capable of doing the AES-CCMP calcu- lations in hardware, the wlan_ccmp module will do the work.


wlan(4), wlan_tkip(4), wlan_wep(4)


More information can be found in the IEEE 802.11, WPA, and 802.11i Stan- dards.


The wlan_ccmp driver first appeared in FreeBSD 6.0. DragonFly 5.3 April 14, 2010 DragonFly 5.3

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